NetBSD-5.0.2/usr.sbin/ypserv/makedbm/makedbm.c
/* $NetBSD: makedbm.c,v 1.22 2008/02/29 03:00:47 lukem Exp $ */
/*
* Copyright (c) 1994 Mats O Jansson <moj@stacken.kth.se>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Mats O Jansson
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: makedbm.c,v 1.22 2008/02/29 03:00:47 lukem Exp $");
#endif
#include <sys/param.h>
#include <sys/stat.h>
#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <rpc/rpc.h>
#include <rpc/xdr.h>
#include "protos.h"
#include "ypdb.h"
#include "ypdef.h"
int main(int, char *[]);
void usage(void);
int add_record(DBM *, char *, char *, int);
char *file_date(char *);
void list_database(char *);
void create_database(char *, char *, char *, char *, char *, char *,
int, int, int);
int
main(int argc, char *argv[])
{
int aflag, uflag, bflag, lflag, sflag;
char *yp_input_file, *yp_output_file;
char *yp_master_name, *yp_domain_name;
char *infile, *outfile;
int ch;
yp_input_file = yp_output_file = NULL;
yp_master_name = yp_domain_name = NULL;
aflag = uflag = bflag = lflag = sflag = 0;
infile = outfile = NULL;
while ((ch = getopt(argc, argv, "blsui:o:m:d:")) != -1) {
switch (ch) {
case 'b':
bflag = aflag = 1;
break;
case 'l':
lflag = aflag = 1;
break;
case 's':
sflag = aflag = 1;
break;
case 'i':
yp_input_file = optarg;
aflag = 1;
break;
case 'o':
yp_output_file = optarg;
aflag = 1;
break;
case 'm':
yp_master_name = optarg;
aflag = 1;
break;
case 'd':
yp_domain_name = optarg;
aflag = 1;
break;
case 'u':
uflag = 1;
break;
default:
usage();
}
}
argc -= optind; argv += optind;
if ((uflag != 0) && (aflag != 0))
usage();
else {
if (uflag != 0) {
if (argc == 1)
infile = argv[0];
else
usage();
} else {
if (argc == 2) {
infile = argv[0];
outfile = argv[1];
} else
usage();
}
}
if (uflag != 0)
list_database(infile);
else
create_database(infile, outfile,
yp_input_file, yp_output_file, yp_master_name,
yp_domain_name, bflag, lflag, sflag);
exit(0);
}
int
add_record(DBM *db, char *str1, char *str2, int check)
{
datum key, val;
int status;
key.dptr = str1;
key.dsize = strlen(str1);
if (check) {
val = ypdb_fetch(db, key);
if (val.dptr != NULL)
return 0; /* already there */
}
val.dptr = str2;
val.dsize = strlen(str2);
status = ypdb_store(db, key, val, YPDB_INSERT);
if (status != 0) {
warnx("can't store `%s %s'", str1, str2);
return -1;
}
return 0;
}
char *
file_date(char *filename)
{
struct stat finfo;
static char datestr[11];
memset(datestr, 0, sizeof(datestr));
if (strcmp(filename, "-") == 0)
snprintf(datestr, sizeof(datestr), "%010d",
(int)time(NULL));
else {
if (stat(filename, &finfo) != 0)
err(1, "can't stat %s", filename);
snprintf(datestr, sizeof(datestr), "%010d",
(int)finfo.st_mtime);
}
return datestr;
}
void
list_database(char *database)
{
DBM *db;
datum key, val;
db = ypdb_open(database);
if (db == NULL)
err(1, "can't open database `%s'", database);
key = ypdb_firstkey(db);
while (key.dptr != NULL) {
val = ypdb_fetch(db, key);
/* workround trailing \0 in aliases.db */
if (key.dptr[key.dsize - 1] == '\0')
key.dsize--;
printf("%*.*s", key.dsize, key.dsize, key.dptr);
if (val.dsize > 0) {
if (val.dptr[val.dsize - 1] == '\0')
val.dsize--;
printf(" %*.*s", val.dsize, val.dsize, val.dptr);
}
printf("\n");
key = ypdb_nextkey(db);
}
ypdb_close(db);
}
void
create_database(char *infile, char *database, char *yp_input_file,
char *yp_output_file, char *yp_master_name,
char *yp_domain_name, int bflag, int lflag, int sflag)
{
FILE *data_file;
char myname[MAXHOSTNAMELEN];
size_t line_no = 0;
size_t len;
char *p, *k, *v, *slash;
DBM *new_db;
static const char template[] = "ypdbXXXXXX";
char db_mapname[MAXPATHLEN + 1], db_outfile[MAXPATHLEN + 1];
char empty_str[] = "";
memset(db_mapname, 0, sizeof(db_mapname));
memset(db_outfile, 0, sizeof(db_outfile));
if (strcmp(infile, "-") == 0)
data_file = stdin;
else {
data_file = fopen(infile, "r");
if (data_file == NULL)
err(1, "can't open `%s'", infile);
}
if (strlen(database) + strlen(YPDB_SUFFIX) > (sizeof(db_outfile) - 1))
errx(1, "file name `%s' too long", database);
snprintf(db_outfile, sizeof(db_outfile), "%s%s", database, YPDB_SUFFIX);
slash = strrchr(database, '/');
if (slash != NULL)
slash[1] = '\0'; /* truncate to dir */
else
*database = '\0'; /* eliminate */
/* NOTE: database is now directory where map goes ! */
if (strlen(database) + strlen(template) + strlen(YPDB_SUFFIX) >
(sizeof(db_mapname) - 1))
errx(1, "directory name `%s' too long", database);
snprintf(db_mapname, sizeof(db_mapname), "%s%s",
database, template);
new_db = ypdb_mktemp(db_mapname);
if (new_db == NULL)
err(1, "can't create temp database `%s'", db_mapname);
for (;
(p = fparseln(data_file, &len, &line_no, NULL, FPARSELN_UNESCALL));
free(p)) {
k = p; /* set start of key */
while (*k && isspace((unsigned char)*k)) /* skip leading whitespace */
k++;
if (! *k)
continue;
v = k;
while (*v && !isspace((unsigned char)*v)) { /* find leading whitespace */
/* convert key to lower case if forcing. */
if (lflag && isupper((unsigned char)*v))
*v = tolower((unsigned char)*v);
v++;
}
while (*v && isspace((unsigned char)*v)) /* replace space with <NUL> */
*v++ = '\0';
if (add_record(new_db, k, v, TRUE)) { /* save record */
bad_record:
ypdb_close(new_db);
unlink(db_mapname);
errx(1, "error adding record for line %lu",
(unsigned long)line_no);
}
}
if (strcmp(infile, "-") != 0)
(void) fclose(data_file);
if (add_record(new_db, YP_LAST_KEY, file_date(infile), FALSE))
goto bad_record;
if (yp_input_file) {
if (add_record(new_db, YP_INPUT_KEY, yp_input_file, FALSE))
goto bad_record;
}
if (yp_output_file) {
if (add_record(new_db, YP_OUTPUT_KEY, yp_output_file, FALSE))
goto bad_record;
}
if (yp_master_name) {
if (add_record(new_db, YP_MASTER_KEY, yp_master_name, FALSE))
goto bad_record;
} else {
localhostname(myname, sizeof(myname) - 1);
if (add_record(new_db, YP_MASTER_KEY, myname, FALSE))
goto bad_record;
}
if (yp_domain_name) {
if (add_record(new_db, YP_DOMAIN_KEY, yp_domain_name, FALSE))
goto bad_record;
}
if (bflag) {
if (add_record(new_db, YP_INTERDOMAIN_KEY, empty_str, FALSE))
goto bad_record;
}
if (sflag) {
if (add_record(new_db, YP_SECURE_KEY, empty_str, FALSE))
goto bad_record;
}
ypdb_close(new_db);
if (rename(db_mapname, db_outfile) < 0) {
unlink(db_mapname);
err(1, "rename `%s' -> `%s'", db_mapname, db_outfile);
}
}
void
usage(void)
{
fprintf(stderr, "usage: %s -u file\n", getprogname());
fprintf(stderr, " %s [-lbs] %s\n", getprogname(),
"[-i YP_INPUT_FILE] [-o YP_OUTPUT_FILE]");
fprintf(stderr, " %s infile outfile\n",
"[-d YP_DOMAIN_NAME] [-m YP_MASTER_NAME]");
exit(1);
}